SAFETY INTRODUCTION

 On chemistry lab days contacts will NOT be allowed in the lab.  Goggles are required for all individuals including the teacher and anyone who happens to enter the room during the lab

 There is ONE in the lab  Push the lever forward  FOR EMERGENCIES ONLY!

 The success of any chemistry experiment is often dependent on the cleanliness of your work area.  Ms. Possberg’s sanity is dependent on the cleanliness of the laboratory

 Broken glass in a chemistry lab is very dangerous and must be cleaned up and disposed of properly  Please use a broom and tray, then dispose of them in the garbage can by my desk. I will then promptly dispose of the contents

 In the event of a fire within the lab please inform me IMMEDIATELY  Follow standard exit procedures and proceed out the high school doors  Continue walking to the soccer nets so as to not block the door.  If it is muddy, please keep in mind others behind are trying to get away from fire!

 Lab procedures exist for YOUR safety  FOLLOW THEM!!!!  There is to be NO MIXING of chemicals beyond the procedures provided unless DIRECTLY told to do so

 At the end of the lab many of the chemicals we use often end up down the drain.  These chemicals then end up in your community watershed…(i.e. your drinking water)  Please dispose of the chemicals EXACTLY where instructed…it will be VERY CLEAR

 The only thing you can really do is minimize exposure  Use gloves  Take your time  Pay attention to what you are doing  Don’t drink / smell / touch / taste chemicals unless instructed to do so

 Don’t let your feet have this fate…chemical burns are nasty!  Don’t wear sandles

 Especially when open flames are being used  I will ask on certain occasions and try to remind individuals with longer hair to bring a hair tie

 Causes splashing and a release of gases  Also, splashing is bad practice anyways and can actually mess up your experimental results

 All demonstrations I perform for you will be done in a safe manner  Please keep a safe distance as instructed to ensure MY safety and YOURS  In the event of an accident during a demo  Back away and get help if necessary

 ALL CHEMICALS ARE HAZARDOUS

 To light a Bunsen burner  Light the match  Turn the gas on medium (Remember: “righty tighty, lefty loosey”  Raise the match up to the edge not down to the top  Pull hand away  Adjust flame  NB the counters in this lab have shelves above…a Bunsen burner left on will light it on fire in less than ½ an hour

 To never be used at full capacity unless instructed to do so  Beakers and Erlenmeyer flasks can be placed directly on the hot plate  Do not place ANYTHING but Pyrex glass on the burners

 Nothing is allowed in the lab  NOT EVEN WATER BOTTLES  You can eat in the hallway if you absolutely need to

 It is mandatory for you to wash your hands before leaving on a lab day  Anything on your hands will be in your food, or anything else you touch  Washing your hands at the VERY LEAST dilutes or rinses away SOME of the chemical that may be present on your hands

 SCIENCE  TECHNOLOGY

 The chemical is made and then a potential use is selected for it.  The chemical is made and then applied to a need.  There is a need for a chemical to be made and it is designed for that purpose

 Can you think of any examples of a chemicals that have changed our society?

 How would knowing about chemistry be helpful to identify  Causes of problems - Solutions to problems -

 concerned with the composition, behaviour, structure, and properties of matter, as well as the changes it undergoes during chemical reactions  Has several branches Organic chemistry – carbon based chemistry Inorganic chemistry – non-carbon based chemistry Biochemistry – living chemistry Analytical chemistry – analysis chemistry Physical chemistry – properties and mathematics